I suppose the reason why these threads are like that is because we're often newcomers to the world of large fish and landed here looking for answers of experience, NOT what the web says. The web also says a FH can been OK in a 55g, and a betta in a .5g bowl, etc. I didn't mean to ruffle feathers....
I'm not trying to sneak in anything into my tank. I truly want the best for my fish, and if s/he must be solo, that's fine! I want to know before I collect supplies and need to upgrade later. I'd rather just start 'em off right, not end up like so many that buy the fish the struggle to keep up with its growth. Also if you read more of my posts in this thread, I'm already sourcing a larger tank (min 100g), the 75 is now reserved for some other fish growing out.
Thanks so much. The plan is to have them live downstairs in our basement studio/office space long term. I'd really much rather start with what they need rather than upgrade down the road and try to figure out what to do with the extra tank. I'm not a huge fan of switching fish around, especially if they're doing well in their tank. Anyway I'm definitely hunting for a 100+ now.